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HomeMy WebLinkAbout20151228Compliance Filing.pdf'_lf_r-lFrr,.r_ ?0i5 DIC 28 fiH g: 0E ;iiArii; i 'i- ,i - ii,ll I tLtTtES C$r,ff,4 is$lofi December 23,2015 Jean D. Jewell Idaho Public Utilitie$ Commission 472 W . Washington StreeJ Boise, ID 83702 Case No. AVU-U-I1-01 We are submitting the following information in compliance with the Commission's Order No. 32338 under Case No. AVU-U-I l-0t for the sale of securities not to exceed $450,000,000. An informational notice regarding this issuance was previously provided to staffof the Commission. On Deceynber 16, 20 I 5, Avista Corp. issued $ 1 00.0 million of 4.37 percent First Mortgege Bonds due in 2045 under a bond purchase agrcsment with certain institutional investors in the private placement market. The new First Mortgag* Bonds were issued under and in accordance with the Mortgage and Deed of Trust, dated as of June l, 1939, from the Company to Citibank, N.A., trustee, au amended and supplemented by various supplemental indentures and othe.r inskuments. ln connection with pricing of the First Mortgage Bondg whieh took place prior to the issuance of these bonds, we cash settled five interest rate swap contracts and paid a total of $9.3 million, which will be amortized as a component of interest expe.ns.e over the tife of the debt. The bonds have not been, and will not tre, registered under the Securities Act of 1933 or any state securities laws and may not be offersd or sold in the United States absent registration or an applicable exemption from registration requirements. The total net proceeds from the sale of the new bonds were used to repay a portion of the borrowings outstanding under the Company's $400.0 million committed line of credit and for general corporate purposes. T*ble I" Item Dollrr Amount Percent of Totsl fim*s Pmccedc Anangement Fees frcceeds Payable to Applicailt Interesl Rate Swaps Other lssuance,/Twhnical liervices Expensos Sl flS,S,SCI0 (355,640) 10fi.09t (0.4) 99,644*169 {9,}26,000) {256,596} 99.6 (e.3) (0.2) Net Proceodsl 90,0611764 9&.la/a I The Company is expecting additional fees primarily rolated to filing fees and potentially additional legal expenses cuntntly unbilled, which may reduce the Company's net proceeds- Page I of2 Att&cM 6ilq th€ term slrept fs this issuanoe and fts 5$s aupplerrrental iodonturu thrt rvas sxgcrrt$d ir oon*eetion to thls issusnce. Please contast lauren Pendcrgffi at (509] 495-2998 ifyou have any questions. Sincaely, {}t;*trYA,,* RichardN. $fcvcns D:lrseto of Finqrce and Assistart Trcasurer Fage 2 of2 ^dT,Frrurxil.Debt Hvtte Placement Pricing ConfirmationStrirtly Private & Confrdentiel Septembcr cS, aors Issuer:Avista Cnrporation Pricing Date:September t3, tors Tbanchel $too,ooo,ooo of Fixed Rate First Mortgage Bonds Clocing/Funding:December 16th, aolg Interect Pa:nnentcl June r aud lleceillber t, commenring June r, eor6 Maturityr December t,2cl45 Pricing Meehnnics end Invcstnr Allocations: Bullet Maturity Benchrnark Quote at Pricing Credft Spread Coupon ?.8750A l-'ST 30-Year due 8/15/45 2.97Va 1.40% px1 4.37ilo ffiffi*w Totab 30 25 25 10 10 30 25 25 10 10 100 s 100 Ch*nge ta Documentation: Documentation Change: Chan6c 58tl Supplemental Indentwe, Article I, Section r (IIXeXB) by rorlsffino rc {allnue. ' /ryi- ,1^-lt!-.*^-^ rl.^r rL^ o_--o _-_ €r$Datemd excluding scheduled payments of interest that acsrued prior to the redemptiondate ..." Due Diligence:TBD mtbancorP Jn vc'stmcntl, Inr', ro,fg (XraDman tlr{ Cutlef LJ,]P - InvestorC Coqnsel r1r lvtlest Monroe Street Chicago, IL 60603 Neil Manu Telephone: grs-845-3784 Email : mann@chapman"com W0 appreciate your participation in this transaetion. Pleese forwffd arry further inquires to thr Placument Agents below: IJ.S. Banco$r Invcslmenta. Inc. 46r FifthAvenue, tgih Floor HewYork,NYroorT zog S. Lasalle $treet, 46 Floor Chicago, IL 50604 JenryKokal Manoging Dirertor Telephone : Sla-g25-2oa6 gerald. kokal @usbank. com Vialet PavlovGresu Yice Presidenf Telephone: 8U-67S-aa89 violet. grecu @usbanh som MollyWer,hamtana r{ssistant Vice Pre sident l'elephone; I 66-6o z-17S6 molly.wecharata*a@ u*bank com Yll"S$s [eryo Se.:urities. LLC 554 South ?ryon $treet, 5e Floor Charlotte, NC z8zo3 Jcsh Leyine Managing Direstor Telephone: ? a4- 4ro- 4?gljoshua.b.levine@wellsfargo.com Chels€aBrrrrro Analyst Telephon e ; Ta 4- 4ro- 4T3g chelsea.bruno @wellsfargo. eom Ufibanc$rpIavtrtrrunrr', Irx', * of3 Sloopherf Scrcenshot of $o-vo{r U$ TreasurTrattinqe gftrEicingr Irvectmcnrr, Inr'- 3 (}f3 AVISTA CORPORATION TO CITIBAI\IK, N.A. As Successor Trustee under Mortgoge and Deed of Trust, datedas ofJune 1, 1939 Fifty-eighth Supplemental Indenture Providing among other thingsfor a series of bonds designated "First Mortgage Bonds, 4.i7% Series due 2045" Due December I, 2045 Dated as of December 1,2015 4815-0226-3078.v1 I FIFTY-EIGHTH SUPPLEMENTAL INDENTURE THIS INDENTURE, dated as of the l't day of December,2Ol5, between AVISTA CORPORATION (formerly known as The Washington Water Power Company), a corporation of the State of Washington, whose post office address is l41l East Mission Avenue, Spokane, Washington 99202 (the "Company"), and CITIBANK, N.A., formerly First National City Bank (successor by merger to First National City Trust Company, formerly City Bank Farmers Trust Company), a national banking association incorporated and existing under the laws of the United States of America, whose post office address is 388 Greenwich Street, l4th Floor, New York, New York l00l 3 (the "Trustee"), as Trustee under the Mortgage and Deed of Trust, dated as of June l, 1939 (the "Original Mortgage"), executed and delivered by the Company to secure the payment of bonds issued or to be issued under and in accordance with the provisions thereof, this indenture (the "Fifty-eighth Supplemental Indenture") being supplementalto the Original Mortgage, as heretofore supplemented and amended. WHEREAS pursuant to a written request of the Company made in accordance with Section 103 of the Original Mortgage, FrancisM. Pitt (then Individual Trustee under the Original Mortgage, as theretofore supplemented and amended) ceased to be a trustee thereunder on July 23, 1969, and all of his powers as Individual Trustee have devolved upon the Trustee and its successors alone; and WHEREAS by the Original Mortgage the Company covenanted that it would execute and deliver such further instruments and do such further acts as might be necessary or proper to carry out more effectually the purposes of the Original Mortgage and to make subject to the lien of the Original Mortgage any property thereafter acquired intended to be subject to the lien thereof; and WHEREAS the Company has heretofore executed and delivered, in addition to the Original Mortgage, the indentures supplemental thereto and amendatory thereof, and has issued the series of bonds, set forth in Exhibit A hereto (the Original Mortgage, as supplemented and amended by the First through Fifty-seventh Supplemental Indentures and, if the context shall so require, as to be supplemented by this Fifty-eighth Supplemental Indenture, being herein sometimes called the "Mortgage"); and WHEREAS the Original Mortgage and the First through Fifty-sixth Supplemental Indentures have been appropriately filed or recorded in various official records in the States of Washington, Idaho, Montana and Oregon, as set forth in the First through Fifty-seventh Supplemental Indentures and the Instrument of Further Assurance, dated December 15, 2001, hereinafter referred to; and WHEREAS the Fifty-seventh Supplemental Indenture, dated as of December 1,2014, has been appropriately filed or recorded in the various official records in the States of Washington, Idaho, Montana and Oregon, as set forth in Exhibit B hereto; and 4815-0226-3078.v1 I WHEREAS for the purpose of confirming or perfecting the lien of the Mortgage on certain of its properties, the Company has heretofore executed and delivered a Short Form Mortgage and Security Agreement, in multiple counterparts dated as of various dates in 1992, and such instrument has been appropriately filed or recorded in the various official records in the States of Montana and Oregon; and WHEREAS for the purpose of confirming or perfecting the lien of the Mortgage on certain of its properties, the Company has heretofore executed and delivered an Instrument of Further Assurance dated as of December 15,2001, and such instrument has been appropriately filed or recorded in the various official records in the States of Washington, Idaho, Montana and Oregon; and WHEREAS in addition to the property described in the Mortgage the Company has acquired certain other property, rights and interests in property; and WHEREAS Section 120 of the Original Mortgage, as heretofore amended, provides that, without the consent of any holders of bonds, the Company and the Trustee, at any time and from time to time, may enter into indentures supplemental to the Original Mortgage for various purposes set forth therein, including, without limitation, to cure ambiguities or correct defective or inconsistent provisions or to make other changes therein that shall not adversely affect the interests of the holders of bonds of any series in any material respect or to establish the form or terms of bonds of any series as contemplated by Article II; and WHEREAS the Company now desires to create a new series of bonds; and WHEREAS Section 8 of the Original Mortgage, as heretofore amended, provides that the form of each series of bonds (other than the First Series) issued thereunder and of the coupons to be attached to coupon bonds of such series shall be established by Resolution of the Board of Directors of the Company or by Treasurer's Certificate, or shall be set forth in an indenture supplemental to the Original Mortgage; that the form of such series, as so established, shall specify the descriptive title of the bonds and various other terms thereof; and that such series may also contain such provisions not inconsistent with the provisions of the Mortgage as the Company may, in its discretion, cause to be inserted therein expressing or referring to the terms and conditions upon which such bonds are to be issued andlor secured under the Mortgage; and WHEREAS the execution and delivery by the Company of this Fifty- eighth Supplemental Indenture and the terms of the Bonds of the Fifty-ninth Series, hereinafter referred to, have been duly authorized by the Board of Directors of the Company by appropriate Resolutions of said Board of Directors, and all things necessary to make this Fifty-eighth Supplemental Indenture a valid, binding and legal instrument have been performed; NOW, THEREFORE, THIS INDENTURE WITNESSETH: That the Company, in consideration of the premises and of other good and valuable consideration, the receipt and sufficiency whereof are hereby acknowledged, hereby confirms the estate, title and rights of the Trustee (including, without limitation, the lien of the Mortgage on 4815-0226-3078.v1't the property of the Company subjected thereto, whether now owned or hereafter acquired) held as security for the payment of both the principal of and interest and premium, if any, on the bonds from time to time issued under the Mortgage according to their tenor and effect and the performance of all the provisions of the Mortgage and of such bonds, and, without limiting the generality of the foregoing, hereby confirms the grant, bargain, sale, release, conveyance, assignment, transfer, mortgage, pledge, setting over and confirmation unto the Trustee, contained in the Mortgage, of all the following described properties of the Company, whether now owned or hereafter acquired, namely: All of the property, real, personal and mixed, of every character and wheresoever situated (except any hereinafter or in the Mortgage expressly excepted) which the Company now owns or, subject to the provisions of Section 87 of the Original Mortgage, may hereafter acquire prior to the satisfaction and discharge of the Mortgage, as fully and completely as if herein or in the Mortgage specifically described, and including (without in anywise limiting or impairing by the enumeration of the same the scope and intent of the foregoing or of any general description contained in Mortgage) all lands, real estate, easements, servitudes, rights of way and leasehold and other interests in real estate; all rights to the use or appropriation of water, flowage rights, water storage rights, flooding rights, and other rights in respect of or relating to water; all plants for the generation of electricity, power houses, dams, dam sites, reservoirs, flumes, raceways, diversion works, head works, waterways, water works, water systems, gas plants, steam heat plants, hot water plants, ice or refrigeration plants, stations, substations, offices, buildings and other works and structures and the equipment thereof and all improvements, extensions and additions thereto; all generators, machinery, engines, turbines, boilers, dynamos, transformers, motors, electric machines, switchboards, regulators, meters, electrical and mechanical appliances, conduits, cables, pipes and mains; all lines and systems for the transmission and distribution of electric current, gas, steam heat or water for any purpose; all towers, mains, pipes, poles, pole lines, conduits, cables, wires, switch racks, insulators, compressors, pumps, fittings, valves and connections; all motor vehicles and automobiles; all tools, implements, apparatus, furniture, stores, supplies and equipment; all franchises (except the Company's franchise to be a corporation), licenses, permits, rights, powers and privileges; and (except as hereinafter or in the Mortgage expressly excepted) all the right, title and interest of the Company in and to all other property of any kind or nature. The Company hereby acknowledges that, as of the date of this Fifty-eighth Supplemental Indenture, the real property located in the State of Washington, taken as a whole, that is so conveyed or intended to be so conveyed under the Mortgage is not used principally for agricultural purposes. The property so conveyed or intended to be so conveyed under the Mortgage shall include, but shall not be limited to, the property set forth in 4815-0226-3078.v1 I Exhibit C hereto, the particular description of which is intended only to aid in the identification thereof and shall not be construed as limiting the force, effect and scope ofthe foregoing. TOGETHER WITH all and singular the tenements, hereditaments and appurtenances belonging or in anywise appertaining to the aforesaid property or any part thereof, with the reversion and reversions, remainder and remainders and (subject to the provisions of Section 57 of the Original Mortgage) the tolls, rents, revenues, issues, earnings, income, product and profits thereof, and all the estate, right, title and interest and claim whatsoever, at law as well as in equity, which the Company now has or may hereafter acquire in and to the aforesaid property and franchises and every part and parcel thereof. THE COMPANY HEREBY CONFIRMS that, subject to the provisions of Section 87 of the Original Mortgage, all the property, rights, and franchises acquired by the Company after the date of the Original Mortgage (except any in the Mortgage expressly excepted) are and shall be as fully embraced within the lien of the Mortgage as if such property, rights and franchises had been owned by the Company at the date of the Original Mortgage and had been specifically described therein. PROVIDED THAT the following were not and were not intended to be then or now or hereafter granted, bargained, sold, released, conveyed, assigned, transferred, mortgaged, pledged, set over or confirmed under the Mortgage and were, are and shall be expressly excepted from the lien and operation of the Mortgage namely: (l) cash, shares of stock and obligations (including bonds, notes and other securities) not hereafter specifically pledged, paid, deposited or delivered under the Mortgage or covenanted so to be; (2) merchandise, equipment, materials or supplies held for the purpose of sale in the usual course of business or for consumption in the operation of any properties of the Company; (3) bills, notes and accounts receivable, and all contracts, leases and operating agreements not specifically pledged under the Mortgage or covenanted so to be; (4) electric energy and other materials or products generated, manufactured, produced or purchased by the Company for sale, distribution or use in the ordinary course of its business; and (5) any property heretofore released pursuant to any provisions of the Mortgage and not heretofore disposed of by the Company; provided, however, that the property and rights expressly excepted from the lien and operation of the Mortgage in the above subdivisions (2) and (3) shall (to the extent permitted by law) cease to be so excepted in the event that the Trustee or a receiver or trustee shall enter upon and take possession of the Mortgaged and Pledged Property in the manner provided in Article XII of the Original Mortgage by reason of the occurrence of a Completed Default as defined in said Article XII. TO HAVE AND TO HOLD all such properties, real, personal and mixed, granted, bargained, sold, released, conveyed, assigned, transferred, mortgaged, pledged, set over or confirmed by the Company in the Mortgage as aforesaid, or intended so to be, unto the Trustee, and its successors, heirs and assigns forever. IN TRUST NEVERTHELESS, for the same purposes and upon the same terms, trusts and conditions and subject to and with the same provisos and covenants as 4815-0226-3078.v1 I set forth in the Mortgage, this Fifty-eighth Supplemental Indenture being supplemental to the Mortgage. AND IT IS HEREBY FURTHER CONFIRMED by the Company that all the terms, conditions, provisos, covenants and provisions contained in the Mortgage shall affect and apply to the property in the Mortgage described and conveyed, and to the estates, rights, obligations and duties of the Company and the Trustee and the beneficiaries of the trust with respect to said property, and to the Trustee and its successors in the trust, in the same manner and with the same effect as if the said property had been owned by the Company at the time of the execution of the Original Mortgage, and had been specifically and at length described in and conveyed to said Trustee by the Original Mortgage as a part of the property therein stated to be conveyed. The Company further covenants and agrees to and with the Trustee and its successor or successors in such trust under the Mortgage, as follows: ARTICLE I Fifty-ninth Series of Bonds SECTION l. (D There shall be a series of bonds designated "First Mortgage Bonds, 4.37% Series due 2045" (herein sometimes referred to as the "Bonds of the Fifty-ninth Series"), each of which shall also bear the descriptive title First Mortgage Bond and the form thereof is set forth on Exhibit D hereto. The Bonds of the Fifty-ninth Series shall be issued as fully registered bonds in denominations of One Thousand Dollars and, at the option of the Company, any amount in excess thereof (the exercise of such option to be evidenced by the execution and delivery thereof) and shall be dated as in Section 10 of the Original Mortgage provided. (II) and characteristics: The Bonds of the Fifty-ninth Series shall have the following terms (a) the Bonds of the Fifty-ninth Series shall be limited in aggregate principal amount to $100,000,000 (except for Bonds of such series authenticated and delivered upon transfer ofor in exchange for, or in lieu of, other Bonds of such series); (b) the principal of Bonds of the Fifty-ninth Series shall (unless theretofore paid) be payable on the Stated Maturity Date (as hereinafter defined); (c) the Bonds of the Fifty-ninth Series shall bear interest at the rate of four and thirty-seven one hundredths percentum (4.37oh) per annum; interest on such Bonds shall accrue from and including December 16,2015, except as otherwise provided in the form of bond attached hereto as Exhibit D; interest on such Bonds shall be payable on each Interest Payment Date and at Maturity (as each of such terms is hereinafter defined); and interest on such Bonds during any period for which payment is made shall be computed on the basis of a 360-day year consisting of twelve 30-days months; 4815-0226-3078.v1 I (d) the principal of and premium, if any, and interest on each Bond of the Fifty-ninth Series payable at Maturity shall be payable upon presentation thereof at the office or agency of the Company in the Borough of Manhattan, The City of New York, in such coin or curency as at the time of payment is legal tender for public and private debts. The interest on each Bond of the Fifty-ninth Series (other than interest payable at Maturity) shall be payable by check, in similar coin or currency, mailed to the registered owner thereof as of the close of business on the Record Date (as hereinafter defined) next preceding each Interest Payment Date; provided, however, that if such registered owner shall be a securities depositary, such payment may be made by such other means in lieu of check as shall be agreed upon by the Company, the Trustee and such registered owner; and, provided, further, that, so long as any Bond of the Fifty-ninth Series shall be held by (i) the original purchaser thereof under the Bond Purchase Agreement (as hereinafter defined) or (ii) any other Institutional Investor (as hereinafter defined) that (A) is the direct or indirect transferee of such Bond from such original purchaser and (B) has made the same agreement relating to such Bond as such original purchaser made in Section 8.2 of the Bond Purchase Agreement, payment of principal of and premium, if any, and interest on such Bond of the Fifty-ninth Series shall be payable in the manner specified in the Bond Purchase Agreement. (e) (i) Prior to the Par Call Date (as hereinafter defined), the Bonds of the Fifty-ninth Series shall be redeemable in whole at any time, or in part from time to time, at the option of the Company at a redemption price equal to the greater of (A) 100% of the principal amount of the Bonds being redeemed, and (B) the sum of the present values of the remaining scheduled payments of principal of and interest (not including any portion of any scheduled payment of interest which accrued prior to the redemption date) on the Bonds being redeemed discounted to the date of redemption on a semiannual basis (assuming a 360-day year consisting of twelve 30-day months) at a discount rate equal to the Treasury Yield (as hereinafter defined) plus 50 basis points, plus, in the case of either (A) or (B) above, whichever is applicable, accrued interest on such Bonds to the date of redemption. (ii) On or after the Par Call Date, the Bonds of the Fifty-ninth Series shall be redeemable in whole at any time, or in part from time to time, at the option of the Company at a redemption price equal to 100% of the principal amount of the Bonds being redeemed plus accrued interest on such Bonds to the date of redemption, (0 (i) "Par Call Date" means June I ,2045. 4815-0226-3078,v1 I (ii) "Treasury Yield" means, with respect to any redemption of Bonds of the Fifty-ninth Series, the rate per annum equal to the semiannual equivalent yield to maturity of the Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price. The Treasury Yield shall be calculated as of the third business day preceding the earlier of (A) the date notice of redemption is mailed to holders of Bonds of the Fifty-ninth Series and (B) the date irrevocable arrangements with the Trustee for the mailing of such notice shall have been made, as the case may be (the "Calculation Date"). (iii) "Comparable Treasury Issue" means the United States Treasury security selected by an Independent Investment Banker as having a maturity comparable to the remaining term of the Bonds of the Fifty-ninth Series that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of the Bonds. (iv) 'oComparable Treasury Price" means (A) the average of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) on the Calculation Date, as set forth in the H.l5 Daily Update of the Federal Reserve Bank of New York or (B) if such release (or any successor release) is not published or does not contain such prices on such business day, the Reference Treasury Dealer Quotation for the Calculation Date. (v) "H.15(519)'o means the weekly statistical release entitled "Statistical Release H.l5 (519)", or any successor publication, published by the Board of Governors of the Federal Reserve System. (vi) "H.15 Daily Update" means the daily update of H.l5(519) available through the worldwide website of the Board of Governors of the Federal Reserve System or any successor site or publication. (vii) "lndependent Investment Banker" means any independent investment banking institution of national standing appointed by the Company and reasonably acceptable to the Trustee. (viii) "Reference Treasury Dealer Quotation" means, with respect to the Reference Treasury Dealer, the average, as determined by the Trustee, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount and quoted in writing to the Trustee by such Reference Treasury Dealer at 5:00 p.m. on the Calculation Date). (ix) "Reference Treasury Dealer" means a primary U.S. Government securities dealer in New York City appointed by the Company and reasonably acceptable to the Trustee. (g) If less than all of the outstanding Bonds of the Fifty-ninth Series are to be redeemed, the principal amount to be redeemed shall be prorated 481 5-0226-3078.v1 I among all of the holders of such Bonds in the proportion that their respective holdings bear to the aggregate principal amount of such Bonds outstanding on the date of selection. The portion of any Bond to be redeemed shall be in the principal amount of $1,000 or an integral multiple thereof and such rounding allocations as may be requisite for this purpose shall be made by the Trustee in its uncontrolled discretion. The Trustee shall promptly notify the Company in writing of the distinctive numbers of the Bond and the portions thereof so selected for redemption. (h) Except as provided in this subsection (II) of Section Bonds of the Fifty-ninth Series shall not be redeemable prior to the Maturity Date. 0II) (a) At the option of the registered owner, any Bonds of the Fifty-ninth Series, upon surender thereof for cancellation at the office or agency of the Company in the Borough of Manhattan, The City of New York, shallbe exchangeable for a like aggregate principal amount of Bonds of the same series of other authorized denominations. The Bonds of the Fifty-ninth Series shall be transferable, upon the surrender thereof for cancellation, together with a written instrument of transfer in form approved by the registrar duly executed by the registered owner or by his duly authorized attorney, at the office or agency of the Company in the Borough of Manhattan, The City of New York. Upon any exchange or transfer of Bonds of the Fifty-ninth Series, the Company may make a charge therefor sufficient to reimburse it for any tax or taxes or other governmental charge, as provided in Section 12 of the Original Mortgage, but the Company hereby waives any right to make a charge in addition thereto or any exchange or transfer of Bonds of the Fifty-ninth Series; provided, however, that the Company shall not be required to make any transfer or exchange of any Bonds of the Fifty-ninth Series for a period of l0 days next preceding any selection of such Bonds for redemption, nor shall it be required to make transfers or exchange of any Bonds of the Fifty-ninth Series which shall have been selected for redemption in whole or in part. Unless and until the Company shall have delivered to the Trustee a written order to the contrary, the Bonds of the Fifty-ninth Series shall bear a legend as to restrictions on transfer substantially as set forth below: The Bonds evidenced hereby have not been registered under the Securities Act of 1933, as amended (the "Securities Act"), and may not be offered, sold, pledged or otherwise transferred in contravention of the Securities Act. (lV) For all purposes of this Fifty-eighth Supplemental Indenture, except as otherwise expressly provided or unless the context otherwise requires, the terms Iisted below, when used with respect to the Bonds of the Fifty-ninth Series, shall have the meanings specified below: 4815-0226-3078.v1 I "Bond Purchase Agreement" means the Bond Purchase Agreement, dated October 20,2015, between the Company and the purchasers listed on Schedule A thereto. "Business Day" means any day, other than a Saturday or Sunday, which is not a day on which banking institutions or trust companies in The City of New York, New York are generally authorized or required by law, regulation or executive order to remain closed. "Institutional Investor" means (a) any original purchaser of a Bond of the Fifty-ninth Series, (b) any holder of a Bond of the Fifty-ninth Series holding (together with one or more of its affiliates) more than $1,000,000 in aggregate principal amount of the Bonds of the Fifty-ninth Series, and (c) any bank, trust company, savings and loan association or other financial institution, any pension plan, any investment company, any insurance company, any broker or dealer, or any other similar financial institution or entity, regardless of legal form. "Interest Payment Date" means June I and December I in each year, commencing June l, 2016. "MaturifiP means the date on which the principal of the Bonds of the Fifty-ninth Series becomes due and payable, whether at the Stated Maturity Date, upon redemption or acceleration, or otherwise. "Record Date", with respect to any Interest Payment Date, means the close of business on the seventh Business Day preceding such Interest Payment Date. "Stated Maturity Date" means December 1,2045. (V) Notwithstanding the provisions of Section 106 of the Original Mortgage, as amended, the Company shall not cause any Bonds of the Fifty-ninth Series, or any portion of the principal amount thereof, to be deemed to have been paid as provided in such Section and its obligations in respect thereof to be deemed to be satisfied and discharged prior to the Maturity thereof unless the Company shall deliver to the Trustee either: (a) an instrument wherein the Company, notwithstanding the effect of Section 106 of the Original Mortgage, as amended, in respect of such Bonds, shall assume the obligation (which shall be absolute and unconditional) to irrevocably deposit with the Trustee such additional sums of money, if any, or additional government obligations (meeting the requirements of Section 106), if any, or any combination thereof, at such time or times, as shall be necessary, together with the money and/or government obligations theretofore so deposited, to pay when due the principal of and premium, if any, and interest due and to become due on such Bonds or portions thereof, all in accordance with and subject to the provisions of Section 106; provided, however, that such instrument may state that the obligation of the Company to make additional deposits as aforesaid shall be subject to the delivery to the Company by the Trustee of a notice 4815-0226-3078.v1 I asserting the deficiency accompanied by an opinion of an independent accountant showing the calculation thereof (which opinion shall be obtained at the expense of the Company); or (b) an Opinion of Counsel to the effect that the holders of such Bonds, or portions of the principal amount thereof, will not recognize income, gain or loss for United States federal income tax purposes as a result of the satisfaction and discharge of the Company's indebtedness in respect thereof and will be subject to United States federal income tax on the same amounts, at the same times and in the same manner as if such satisfaction and discharge had not been effected. (VD Anything in this Fifty-eighth Supplemental Indenture or the Bonds of the Fifty-ninth Series to the contrary notwithstanding, any payment of principal of or premium, if any, or interest on any Bond of the Fifty-ninth Series that is due on a date other than a Business Day shall be made on the next succeeding Business Day without including the additional days elapsed in the computation of the interest payable on such next succeeding Business Day; provided, however, that if the Maturity date of any Bond is a date other than a Business Day, the payment otherwise due at Maturity shall be made on the next succeeding Business Day and shall include the additional days elapsed in the computation of interest payable on such next succeeding Business Day. (VID The Bonds of the Fifty-ninth Series shall have such further terms as are set forth in Exhibit D hereto. If there shall be a conflict between the terms of the form of bond and the provisions of the Mortgage, the provisions of the Mortgage shall control to the extent permitted by law. ARTICLE II Outstanding Bonds Upon the delivery of this Fifty-eighth Supplemental Indenture, Bonds of the Fifty-ninth Series in an aggregate principal amount of $100,000,000 are to be issued and will be Outstanding, in addition to $1,836,700,000 aggregate principal amount of bonds of prior series Outstanding at the date of delivery of this Fifty-eighth Supplemental Indenture. ARTICLE III Prospective Amendments SECTION l. Each initial and subsequent owner of Bonds of the Fifty- ninth Series, by virtue of its acquisition of an interest therein, shall be deemed, without further act, to have consented to: (D the amendment of the generic description of property contained in the primary granting clause in the Original Mortgage to remove therefrom the words o'all motor vehicles and automobiles", the text of such primary granting clause, as so proposed to be amended, being set forth on Exhibit E(l) hereto; l0 4815-0226-3078.v1 I (ll) the amendment of the proviso following the aforesaid primary granting clause that contains a list ofcategories ofproperty that are excepted from the lien of the Mortgage to add references to various additional categories of property to be so excepted, the text of such proviso, as so proposed to be amended, being set forth in Exhibit E(2) hereto; and (lll) the amendment of the first paragraph of Section 4 of the Original Mortgage to delete therefrom the words "vehicles, automobiles", and to make a clarifying change, the text of such paragraph, as so proposed to be amended, being set forth in Exhibit E(3) hereto. SECTION 2. Upon the effectiveness of the amendments to the Original Mortgage described in Section I above, each granting clause contained in an indenture supplemental to the Original Mortgage that contains the words "all motor vehicles and automobiles", including without limitation the granting clause contained in this Fifty- eighth Supplemental Indenture, and each proviso listing categories of property that are excepted from the lien of the Mortgage contained in any such supplemental indenture, including without limitation the proviso contained in this Fifty-eighth Supplemental Indenture, shall be deemed to have been amended to remove such words therefrom. SECTION 3. Upon the effectiveness of the amendments to the Mortgage described in Sections I and 2 above, property of the character of automobiles and other motor vehicles shall no longer be subject to the lien of the Mortgage, and the Trustee shall execute and deliver to or upon the order of the Company such instruments or other documents as, in the judgment of the Company, shall be necessary, desirable or appropriate to evidence that such property is no longer subject to such lien. SECTION 4. In connection with the amendments described in Sections I and 2 above, the Company represents and warrants that, as of the date of the execution and delivery of this Fifty-eighth Supplemental Indenture, none of its Funded Prope(y consists of property of the character of automobiles or other vehicles and covenants that, on and after such date, no property of the character of automobiles or other vehicles will be included in Property Additions certified as the basis for the authentication and delivery of bonds, the release of property, the withdrawal of cash or any other purpose under the Mortgage. ARTICLE IV Miscellaneous Provisions SECTION l. The terms defined in the Original Mortgage shall, for all purposes of this Fifty-eighth Supplemental Indenture, have the meanings specified in the Original Mortgage. SECTION 2. The Trustee hereby confirms its acceptance of the trusts in the Original Mortgage declared, provided, created or supplemented and agrees to perform the same upon the terms and conditions in the Original Mortgage set forth, including the following: l1 4815-0226-3078 v1 I The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Fifty-eighth Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made by the Company solely. Each and every term and condition contained in Article XVI of the Original Mortgage shall apply to and form part of this Fifty-eighth Supplemental Indenture with the same force and effect as if the same were herein set forth in full, with such omissions, variations and insertions, if any, as may be appropriate to make the same conform to the provisions of this Fifty-eighth Supplemental Indenture. SECTION 3. Whenever in this Fifty-eighth Supplemental Indenture either of the parties hereto is named or referred to, this shall, subject to the provisions of Articles XV and XVI of the Original Mortgage be deemed to include the successors and assigns of such party, and all the covenants and agreements in this Fifty-eighth Supplemental Indenture contained by or on behalf of the Company, or by or on behalf of the Trustee, or either of them, shall, subject as aforesaid, bind and inure to the respective benefits ofthe respective successors and assigns of such parties, whether so expressed or not. SECTION 4. Nothing in this Fifty-eighth Supplemental Indenture, expressed or implied, is intended, or shall be construed, to confer upon, or to give to, any person, firm or corporation, other than the parties hereto, the holders of the Bonds Outstanding under the Mortgage, any right, remedy or claim under or by reason of this Fifty-eighth Supplemental Indenture or any covenant, condition, stipulation, promise or agreement hereof, and all the covenants, conditions, stipulations, promises and agreements in this Fifty-eighth Supplemental lndenture contained by or on behalf of the Company shall be for the sole and exclusive benefit of the pa(ies hereto, and of the holders of the Bonds Outstanding under the Mortgage. SECTION 5. This Fifty-eighth Supplemental Indenture shall be executed in several counterparts, each of which shall be an original and all of which shall constitute but one and the same instrument. SECTION 6. The titles of the several Articles of this Fifty-eighth Supplemental Indenture shall not be deemed to be any part thereof. t2 4815-0226-3078.v1 I IN WTTNESS WHEREOF, on the tV day of December,2015, AVISTA CORPORATION has caused its corporate name to be hereunto affixed, and this instnrment to be signed and sealed by its President or one of its Vice Presidents, and its corporate seal to be attested by its Corporate Secretary or ore of its Assistant Corporat€ Secretaries for and in its behalf, all in The City of Spokane, Washington as of the day and year first above written; and oE the _lfa, da,y of Deeember, 2015, CITIBANK, N.A., has caused its corporate narne to be hereurto affixed, and this instrurnont to be signed and sealed by its President or one of its Vice Presidents or one of its Senior Trust Officers or one of its Trust Officers and its corporate seal to be attested by one of is Vice Presidents or onc of its Trust Oflicers, all in The City of New York, New York, as of the day and year first above written. AVISTA CORPORATION l.H-ffit$i,fr:riff. Attest: Name: Mark T.'Ihiei Title: Senior Vice Presidsnt and Chief FinancialOffrcer Executed" sealed and delivered by AVISTA CORPORATION in the presence o,f: {e;e***{.fu*-,*- Name: Richard N. Stsvens {e Name: Susan Y. Fleming Title: Assistant Corporate Secretary Name: Lauren C, Pendergraft L9ignalure Page lo Supplemental Indenlurei) CITIBANK, N.A., AS TRUSTEE By Title: Vice President Name: Title: Executed, sealed and delivered by CITIBANK, N.A., Vice President Attest: lSignature Page to Supplemental Indenture) STATE OF WASHINCTON ) ) ss.: couNTY oF SPOKANE ) On the tte day of December, 2015, before me personally appeared Mark T. Thies, to me known to bs a Senior Vice President and the Chief Financial Officer of AVISTA CORPORATION, one of the corporations that executed the within and foregoing instrumcnt, and acknowledgcd said instrument to be the free and voluntary act and deed of said Corporation for the uses and purposss therein mentioned and on oath stated that he was authorized to sxsoute said instrument and that the seal affixed is the corporatc seal of said Corporntion. On tlre tU Uay of December, 2015, before me, a Notary Public in and Ibr the StatB ard County aforesaid" personally appeared Mark T. Thies, known to me to be a Vice President of AVISTA CORPORATION, sne of the corporations that cxecuted the within an furegoing instrument and acknowledged to me thatr such Corporation executed the same. lN WTTNESS WHEREOF, I have hereunto s€t my hand and affixed my official seal the day and year first above written. ..#&#,rry.,,-i tS NorAHv ft !rBitit$DEBBIE DEUBEL Notary Public State of Washington Commission Expires May 9,2017 Notary Public STATE OF NEW YORK COUNTY OF NEW YORK On the lb auy of December, 2015 before me personally appeared Karen Schluter, to me known to be a Vice President of CITIBANK, N.A., one of the corporations that executed the within and foregoing instrument, and acknowledged said instrument to be the free and voluntary act and deed of said Corporation for the uses and purposes therein mentioned and on oath stated that she was authorized to execute said instrument and that the seal affixed is the corporate seal of said Corporation. On the lb ar1 of December,2015, before me, a Notary Public in and for the State and County aforesaid, personally appeared Karen Schluter, known to me to be a Vice President of CITIBANK, N.A., one of the corporations that executed the within and foregoing instrument and acknowledged to me that such Corporation executcd thc same. IN WITNESS WHEREOF, I have official seal the day and year first above written. State of New York Commission Expires _ ) ) ss.: ) MORTGAGE OR SUPPLEMENTAL INDENTURE DATED AS OF SERJES PRINCIPAL AMOUNT ISST]ED PRINCIPAL AMOUNT OUTSTANDINGNO.DESIGNATION Original June l.1939 3-l12% Series due 1964 $22,000,000 None First October I, 1952 2 3-l12% Series due 1982 (changed to3-314o/oin Twelfth Supplemental Indenture) 30,000,000 None Second May I, 1953 .,3-718% Series due I 983 r 0,000,000 None Third December l. 1955 None Fourth March 15. 1957 None Fifth July l, 1957 4 4-718% Series due 1987 30,000,000 None Sixth January I,1958 5 4-ll87o Series due 1988 20,000,000 None Seventh August l, 1958 6 4-318% Series due 1988 r 5,000,000 None Eighth January I,1959 7 4-314% Series due I 989 I 5,000,000 None Ninth January l, 1960 8 5-3/8% Series due 1990 10,000,000 None Tenth April l, 1964 9 4-518% Series due I 994 30,000,000 None Eleventh March I ,1965 l0 4-518% Series due 1995 10,000,000 None Twelfth May I, 1966 None Thirteenth August I, 1966 ll 6 7o Series due 1996 20"000,000 None Fourteenth April I, 1970 t2 9-ll47o Series due 2000 20,000,000 None Fifteenth May 1,1973 l3 7-7l87o Series due 2003 20,000,000 None Sixteenth February l, 1975 l4 9-318% Series due 2005 25,000,000 None Seventeenth November l. 1976 l5 8-3/4% Series due 2006 30,000,000 None Eighteenth June l. 1980 None Nineteenth January I, l98l t6 l4-l/8o/o Series due l99l 40,000,000 None MORTGAGE, SUPPLEMENTAL INDENTURES AND SERIES OF BONDS EXHIBIT A A-t 4815-0226-3078.v1 I MORTGAGE OR SUPPLEMENTAL INDENTURE DATED AS OF SERIES PRJNCIPAL AMOUNT ISSUED PRINCIPAL AMOUNT OUTSTANDINGNO.DESIGNATION Twentieth August I,1982 t7 l5-314o/o Series due 1990- 1992 60,000,000 None Twenty-First September l, 1983 l8 l3-112o/o Series due 2013 60,000,000 None Twenty-Second March l. 1984 l9 l3-ll4o/o Series due 1994 60,000,000 None Twenty-Third December l, 1986 20 9-l14% Series due 201 6 80,000,000 None Twenty-Fourth January l,1988 2l l0-3/8o/o Series due 201 8 50.000.000 None Twenty-Fifth October l, 1989 22 23 7-l18% Series due 201 3 7 -21 5o/o Series due 20 I 6 66,700,000 I 7,000,000 None None Twenty-Sixth April I, 1993 24 Secured Medium-'lerm Notes, Series A ($250,000,000 authorized) 2s0,000,000 36,000,000 Twenty-Seventh January I,1994 25 Secured Medium-Term Notes, Series B ($250,000,000 authorized) r 6 r,000,000 None Twenty-Eighth September 1,2001 26 Collateral Series due 2002 220,000,000 None Twenty-Ninth December l, 2001 27 7.75% Series due 2007 I 50.000,000 None Thirtieth May 1,2002 28 Collateral Series due 2003 225,000,000 None Thirty-first May l, 2003 29 Collateral Series due 2004 245,000,000 None Thirty-second September 1,2003 30 6.125o/o Series due 2013 45.000.000 None Thirty-third May l. 2004 31 Collateral Series due 2005 350,000,000 None Thirty-fourth November 1,2004 32 5.45% Series due 2019 90,000,000 90,000,000 Thirty-fifth December 1,2004 33 Collateral Series 2004.{88,850,000 25,000,000 Thirfy-sixth December 1,2004 34 35 Collateral Series 2004B Collateral Series 2004C 66,700,000 t 7,000,000 None None Thirty-seventh December 1,2004 36 Collateral Series 2004D 350,000,000 None Thirty-eighth May l,2005 3'1 38 Collateral Series 2005B Collateral Series 2005C 66,700,000 17,000,000 None None Thirty-ninth November 1,2005 39 6.25% Series due 2035 l 00,000,000 r 00,000,000 A-2 4815-0226-3078.v1 I MORTGAGE OR SUPPLEMENTAL INDENTURE DATED AS OF SERIES PRINCIPAL AMOUNT ISSUED PRINCIPAL AMOUNT OUTSTANDINGNO.DESIGNATION 50,000,000 50,000,000 Fortieth April l,2006 40 Collateral Series due 201 I 320,000,000 None Forty-first December 1,2006 41 5.70% Series due 2037 l 50,000,000 I 50,000"000 Forty-second April 1,2008 42 5.95% Series due 2018 250,000,000 250,000,000 Forty+hird November 1,2008 43 Collateral Series 20084 200,000,000 None Forty-fourth December 1,2008 44 7.25% Series due 2013 30,000,000 None Forty-fifth December 1,2008 45 Collateral Series 2008B t 7,000,000 None Forty-sixth September 1,2009 46 5.125% Series due 2022 250.000,000 250,000,000 Forty-seventh November 1,2009 47 Collateral Series 2009,A 75,000,000 None Forty-eighth December 1,2010 48 49 Collateral Series 2010A Collateral Series 2010B 66,700,000 I 7,000,000 66,700,000 I 7,000,000 Forty-ninth December 1,2010 50 5t 3.89% Series due 2020 5.55% Series due 2040 52,000,000 3 5,000,000 52,000,000 35,000,000 Fiftieth December l, 2010 52 1.687o Series due 2013 50,000,000 None Fifty-first February l, 201I 53 Collateral Series 201 lA 400,000,000 None Fifty-second August l, 201 I None Fifty-third December l, 201 I 54 4.457o Series due 204 I 85,000,000 8s,000,000 Fifty-fourth November 1,2012 55 4.23% Series dlue 2047 80.000.000 80,000,000 Fifty-fifth August l, 2013 56 Collateral Series 201 3A 90,000,000 90,000,000 Fifty-sixth April l,2014 57 Collateral Series 201 4A 400.000.000 400.000.000 Fifty-seventh December 1,2014 58 4.1 l7o Series due2044 $60,000,000 $60,000,000 TOTAL OUTSTANDING $l-8.36J00-000 A-3 4815-0226-3078.v1 I FILING IN STATE OFFICES State Office of Date Financing Statement Document Number Washinoton Secretarv of State 1114115 201 5-014-3629-3 ldaho Secretarv of State 1112t15 B 2015-1 150671-0 Montana Secretary of State 1t12t15 150112676220 Oreqon Secretarv of State 1t13t2015 90340573 RECORDING IN COUNTY OFFICES Countv Office of Reat Estate Mo-rtqaqe Records Date Document Number Book Paqe Washinoton Adams Auditor 1t6t15 309037 N/A N/A Asotin Auditor 1t6t15 343454 N/A N/A Benton Auditor 1tgt15 201 5-000555 N/A N/A Douglas Auditor 1nn5 3183162 N/A N/A Ferrv Auditor 1t6t15 0284467 N/A N/A Franklin Auditor 1t6t15 1823730 N/A N/A Garfield Auditor 1t6t15 201 5001 1 N/A N/A Grant Auditor 1t14t15 1342617 N/A N/A Klickitat Auditor 1tBt15 1111298 N/A N/A Lewis Auditor 1nn5 3424954 N/A N/A Lincoln Auditor 1t6t15 2015 0468782 110 161 0 Pend Oreille Auditor 1t6t15 20150320447 N/A N/A Skamania Auditor 1tgt15 201 5000032 N/A N/A Spokane Auditor 1t6t15 6362994 N/A N/A Stevens Auditor 1nn5 201 5 00001 14 N/A NiA Thurston Auditor 1nn5 4424405 N/A N/A Whitman Auditor 1t6t15 727437 N/A N/A ldaho Benewah Recorder 1t6t15 270283 N/A N/A Bonner Recorder 1t6t15 868667 N/A N/A Boundarv Recorder 9t17t15 265016 N/A N/A Clearwater Recorder 1t6115 225758 N/A N/A ldaho Recorder 116t15 497746 N/A N/A Kootenai Recorder 1t8115 2482653000 N/A N/A Latah Recorder 1t6t15 569806 N/A N/A FILING AND RECORDING OF FIFTY.SEVENTH SUPPLEMENTAL INDENTURE EXHIBIT B B-1 4815-0226-3078.v1 I RECORDING IN COUNTY OFFICES Countv Office of Real Estate Mortqaqe Records Date Document Number Book Paoe ldaho rconL) Lewis Recorder 1t6t15 143042 N/A N/A Nez Perce Recorder 1t6t15 827413 N/A N/A Shoshone Recorder 1t6t15 479783 N/A N/A Montana Bio Horn Clerk & Recorder 1t26t15 349957 134 555 Broadwater Clerk & Recorder 1tgt15 172336 160 290 Golden Vallev Clerk & Recorder 1t12115 82010 M 17491 Meaoher Clerk & Recorder 1t8t15 142007 N/A N/A Mineral Clerk & Recorder 1t12t15 1 1 3340 N/A N/A Rosebud Clerk & Recorder 3t3t15 01 14306 145MG 871-900 Sanders Clerk & Recorder 1nn5 81749 N/A N/A Stillwater Clerk & Recorder 1tBt15 360696 N/A N/A Treasure Clerk & Recorder 1nn5 82725 21 471 Wheatland Clerk & Recorder 1nn5 1 0841 3 M 25930-25959 Yellowstone Clerk & Recorder 1tBt15 3728449 N/A N/A Oreoon Douqlas Recorder 1nn5 2015-000202 N/A N/A Jackson Recorder 1tBt15 201 5-000537 N/A N/A Josephine Recorder 1tgt15 201 5-000266 N/A N/A Klamath Recorder 118t15 201 5-0001 82 N/A N/A Morrow Recorder 1tgt15 201 5-35354 N/A N/A Union Recorder 117115 201 50039 N/A N/A Wallowa Recorder 1nn5 00072216 N/A N/A B-2 4815-0226-3078 v1 I EXHIBIT C PROPERTY ADDITIONS First ADDITIONAL UNDEVELOPED OR ONLY PARTIALLY DEVELOPED POWER SITES of the Company, including all dams, reservoirs, flumes, raceways, diversion works, head works, waterways, buildings and other works and structures forming apart of or appertaining to said sites, or any of them, or used or enjoyed or capable of being used or enjoyed in conjunction therewith, and the generating plants to be constructed on said sites, or any of them, including all prior houses, buildings and other works and structures forming part of or appertaining to said generating plants, or any of them, and all fuel delivery equipment, including gas mains, services, meters, regulatory and general equipment, poles, wires, transformers, switches and allother property, real, personal and mixed, forming part of or used, occupied or enjoyed in connection with or in any"wise appertaining to said generating plants, and all other of the Company's real estate and interests therein, rights in respect of or relating to fuel, water, machinery, equipment, appurtenances, supplies, franchise, licenses, permits and other rights and other property forming a part of or appertaining to said sites, or any of them, or used or enjoyed or capable of being used or enjoyed in conjunction therewith, including the following, situated in the State of Idaho: (1) Kootenai County, Idaho: "Greensferry"; Property No. I-K-262; Grantor: JHM Investments, LLC; Lot2, Block l, ENERGY ADDITION TO RATHDRUM, and That portion of the NWI/4 of Section 11, Township 5l North, Range 5 West, and Lots I through 13, Plat l, Greenacres Irrigation District being situated in the East% of Section 2, Township 51 North, Range 5 West and Those portions of the SWl/4 and the Wl/2 of the SEI/4 of Section 2, Township 5l North, Range 5 West, Boise Meridian, Kootenai County,Idaho which lies Southeasterly of a line measured at right angles 1,000.0 feet distant Southeasterly from and parallel to the center line of the right of way of the North Pacifi c Rai lway Company. Second THE ADDITIONAL ELECTRIC SUBSTATIONS AND SUBSTATION SITES of the Company, in the State of Washington, including all buildings, structures, towers, poles, equipment, appliances and devices for transforming, converting and distributing electric energy, and the lands of the Company on which the same are situated and all of the Company's real estate and interests therein, machinery, equipment, appliances, devices, appurtenances and supplies, franchises, permits and other rights and other property forming a part of said substations or any of them, or used or enjoyed or capable of being used or enjoyed in connection with any thereof, including, but not limited to, the following situated in the State of Washington, to wit: (l) Lincoln County, Washington: "Harrington Substation"; Property No. WA-22- 038; Grantor: City of Harrington; A parcel of land lying in the NEI/4NW l/4 of Section 22, Township 23 North, Range 36 East, Situate in Lincoln County, Washington. c-l 4815-0226-3078.v1 I Third BUSINESS OFFICE(S) AND/OR MISCELLANEOUS REAL ESTATE, in the State of Washington, to wit: (l) Spokane County, Washington: "Ross Park Expansion"; Property No. WA-32-004; Grantor: Eric W. Houchin; Lot 12, Hole's Subdivision of Block l3 Ross Park, According to plat recorded in Volume o'D" of plats, Page 78, Situate in the City of Spokane, County of Spokane, State of Washington (2) Spokane County, Washington: "Ross Park Expansion"; Property No. WA-32-004; Grantor: David K. and Perry J. Gomes; Lot 8, Hole's Subdivision of Block 13 Ross Park, According to plat recorded in Volume "D" of plats, Page 78, Situate in the City of Spokane, County of Spokane, State of Washington (3) Spokane County, Washington: o'Ross Park Expansion"; Property No. WA-32-004; Grantor: Estate of Brett P. Chapman, deceased and Kasi L. Chapman;Lot4, Hole's Subdivision of Block l3 Ross Park, According to plat recorded in Volume "D" of plats, Page 78, Situate in the City of Spokane, County of Spokane, Washington (4) Spokane County, Washington: "Ross Park Expansion"; Property No. WA-32-004; Grantor: Robert B. and Stefanie E. Pettit; Lot 6, Hole's Subdivision of Block 13 Ross Park, According to plat recorded in Volume "D" of plats, Page 78, Situate in the City of Spokane, County of Spokane, Washington, Except the East l2 Feet (5) Spokane County, Washington: "Ross Park Expansion"; Property No. WA-32-004; Grantor: Vicki L. Codd and Janet L. Mogensen and Bonnie J. Segar; Lot 1, Hole's Subdivision of Block 13 Ross Park, According to plat recorded in Volume "D" of plats, Page 78, Situate in the City of Spokane, County of Spokane, Washington (6) Spokane County, Washington: "Ross Park Expansion"; Property No. WA-32-004; Grantor: Douglas E. Griffin; Lot7, Hole's Subdivision of Block l3 Ross Park, According to plat recorded in Volume "D" of plats, Page 78, Situate in the City of Spokane, County of Spokane, Washington (7) Spokane County Washington: "Dollar Road Expansion"; Property No. WA 32-010; Grantor: Randy L. Zutter; The North 65 Feet of Tract 204 of Orchard Avenue Addition, as per plat thereof recorded in Volume "M" of plats, Page 24, Situate in the City of Spokane Valley, County of Spokane, State of Washington (8) Spokane County, Washington: "Ross Park Expansion"; Property No. WA-32-004; Grantor: Laura M. Dale: Lot 7 of Wilkinson's Subdivision of part of Block l2 of Ross Park Addition, as per plat thereof recorded in Volume 3 of plats, Page 63, Situate in the City of Spokane, County of Spokane, State of Washington. (9) Spokane County, Washington: "Ross Park Expansion"; Property No. WA-32-004; Grantor: Kenneth R. Hill: Lot 6 of Wilkinson Subdivision of Part of Block l2 of Ross c-2 4815-0226-3078 v1 I Park Addition as per plat thereof Recorded in Volume 3 of plats, Page 63. Situate in the City of Spokane, County of Spokane, State of Washington. ( I 0) Spokane County, Washington: "Dollar Road Expansion"; Property No. WA-32-010; Grantor: Jason Pace and Michell D. Pace: Tract 208, Orchard Avenue, according to plat recorded in Volume "M" of plats, page 24,in the City of Spokane Valley, Spokane County, Washington. (l l) Spokane County, Washington: "Dollar Road Expansion"; Property No. WA-32-010; Grantor: Lawrence J. Jerrow: The South 50.002 feet of Tract 203,Orchard Avenue, According to plat recorded in Volume "M" of plats, page 24,\n the City of Spokane Valley, Spokane County, Washington (12) Spokane County, Washington: "AAA Building"; Property No. WA-32-037.1; Grantor: AAA Washington: Lots l-12, Inclusive, Block 15 and Lot 7 and all of Lot 8, Block 16, Cannon's Addition according to plat recorded in Volume o'8" of plats, page 52. (13) Spokane County, Washington: "Dollar Road Expansion"; Property No. WA-32-010; Grantor: Constantin Samoilov: That portion of Tracts l5 and l6 of First Addition to Orchard Park, according to plat recorded in Volume "E" of plats at page 47,in the City of Spokane Valley, Spokane County, Washington. (14) Spokane County, Washington: "New Deer Park Service Center";Property No. WA-32- 007; Grantor: Deer Park Country Club; A portion of the SEl/4SEl/4 of Section 36, Township 29 North, Range 42 East, Situated in the City of Deer Park, County of Spokane, State of Washington. (15) Spokane County, Washinglon: "Dollar Road Expansion"; Property No. WA-32-010; Grantor: Jonathan Heyn; Tract204, Orchard Avenue, as per plat recorded in Volume "M" of plats. Page 24, Records of Spokane County, Except the North 65 Feet thereof, Situate in the City of Spokane Valley, County of Spokane, State of Washington. (16) Spokane County, Washington: "Dollar Road Expansion"; Property No, WA-32-010; Grantor: Kreig L. and Bonnie L. Knutson; The North 82.38 feet of Tract 203, Orchard Avenue Addition, as per plat recorded in Volume 'oM" of plats, Page 24, in the City of Spokane Valley, Spokane County, Washington. (17) Spokane County, Washington: "Dollar Road Expansion"; Property No. WA-32-010; Grantor: Alice J. Munson; Tract207 of Orchard Avenue Addition, as per plat recorded in volume M of plats, pages 24 and 25, situate in the City of Spokane Valley, County of Spokane, State of Washington. (18) Stevens County, Washinglon: "Long Lake HED"; Property No, WA-33 -257; Grantor: Bradley K. and Judy J. Ritz and Daniel W. Davis;Government Lot 3 of Section 14, Township 27 North, Range 40 East, W.M., in Stevens County Washington. (19) Stevens County, Washington: 'ol-ong Lake HED"; Property No. WA-33 -257; Grantor: Jeanine A. Pipella and Raymond A. Pipella;Tract 13, Sunset Recreational Tracts, c-3 4815-0226-3078.v1 I according to plat thereof recorded August20,1968, under Auditor's file no. 391012, in Stevens County, Washington. Fourth ADDITIONAL PROTECTION, MITIGATION AND ENHANCEMENT PROPERTY of the Company, real, personal, or mixed, acquired, constructed and/or installed in, on, under and/or proximate to the Company's hydroelectric generation developments for the purpose of protecting and/or enhancing wildlife (including fish and aquatic life), botanical life and/or wetlands, and/or mitigating any harm or damage thereto, and all other property, real, personal or mixed, used or enjoyed or capable of being used or enjoyed in conjunction therewith, including, but not limited to, the following in the State of Montana to wit: (l) Sanders County, Montana: 'oCabinet Gorge Mitigation"; Property No. MT-35-251; Grantor: Judith Hutchins; That part of the NEI/4SE1/4 and Lot 6, lying on the Northerly side of the described line and South of the Right of Way of State Highway No. l0 altemate, also that part of Lot 1, Section 26, Township 27 North, Range 34 West, P.M.M., Sanders County, Montana, Lying North of the described line and South of the Right of Way of State Highway No. l0 Alternate c-4 4815-0226-3078.v1 I EXHIBIT D (Form ofBond) PPN: AVISTA CORPORATION First Mortgage Bond, 4.37% Series due 2045 REGISTERED NO. REGISTERED AVISTA CORPORATION, a corporation of the State of Washington (hereinafter called the Company), for value received, hereby promises to pay to , or registered assigns, on December 1,2045 (the "Stated Maturity Date") DOLLARS and to pay the registered owner hereof interest thereon semi-annually in arrears on June I and December I in each year (each such date, an "lnterest Payment Date"), commencing June l, 2016, and at Maturity (as hereinafter defined), at the rate of four and thirty-seven one hundredths percentum (4.37%) per annum computed on the basis of a 360-day year consisting of twelve 30-day months, until the Company's obligation with respect to the payment of such principal shall have been discharged. This bond shall bear interest from December 16,2015 or from the most recent Interest Payment Date on or prior to the date of this bond to which interest on the bonds of this series has been paid. Dated: AVISTA CORPORATION Name: Title: ATTEST: Name: Title: TRUSTEE'S CERTIFICATE This bond is one of the bonds of the series herein designated, described or provided for in the within-mentioned Mortgage. CITIBANK, N.A. Trustee Authorized Signatory By: By D-1 4815-0226-3078 v1 I The principal of and premium, if any, and interest on this bond payable at Maturity shall be payable upon presentation hereof at the office or agency of the Company in the Borough of Manhattan, The City of New York, in such coin or currency of the United States of America as at the time of payment is legal tender for public and private debts. The interest on this bond (other than interest payable at Maturity) shall be paid by check, in the similar coin or currency, mailed to the registered owner hereof as of the close of business on the seventh Business Day preceding each Interest Payment Date (each such date being herein called a "Record Date"); provided, however, that if such registered owner shall be a securities depositary, such payment shall be made by such other means in lieu of check as shall be agreed upon by the Company, the Trustee and such registered owner; and provided further that, so long as this Bond shall be held by (a) the original purchaser hereof under the Bond Purchase Agreement (as defined in the Fifty-eighth Supplemental Indenture referred to below) or (b) any other Institutional Investor (as defined in such Supplemental Indenture) that (i) is the direct or indirect transferee of this bond from such original purchaser and (ii) has made the same agreement relating to this bond as such original purchaser made in Section 8.2 of the Bond Purchase Agreement, payment of principal of and premium, if any, and interest on this Bond shall be payable in the manner specified in the Bond Purchase Agreement. Interest payable at Maturity shall be paid to the person to whom principal shall be paid. As used herein, the term "Maturity" shall mean the date on which the principal of this bond becomes due and payable, whether at stated maturity, upon redemption or acceleration, or otherwise. This bond is one of an issue of bonds of the Company issuable in series and is one of a series known as its First Mortgage Bonds, 4.37% Series due 2045, all bonds of all such series being issued and issuable under and equally secured (except insofar as any sinking or other fund, established in accordance with the provisions of the Mortgage hereinafter mentioned, may afford additional security for the bonds of any particular series) by a Mortgage and Deed of Trust, dated as of June l, 1939 (the "Original Mortgage"), executed by the Company (formerly known as The Washington Water Power Company) to City Bank Farmers Trust Company and Ralph E. Morton, as Trustees (Citibank, N.A., successor Trustee to both said Trustees). The Original Mortgage has been amended and supplemented by various supplemental indentures, including the Fifty-eighth Supplemental Indenture, dated as of December 1, 2015 (the "Fifty-eighth Supplemental Indenture"), and, as so amended and supplemented, is herein called the "Mortgage". Reference is made to the Mortgage for a description of the property mortgaged and pledged, the nature and extent of the security, the rights of the holders of the bonds and of the Trustee in respect thereof, the duties and immunities of the Trustee and the terms and conditions upon which the bonds are and are to be secured and the circumstances under which additional bonds may be issued. If there shall be a conflict between the terms of this bond and the provisions of the Mortgage, the provisions of the Mortgage shall control to the extent permitted by law. The holder of this bond, by its acceptance hereof, shall be deemed to have consented and agreed to all of the terms and provisions of the Mortgage and, further, in the event that such holder shall not be the sole beneficial owner of this bond, shall be deemed to have agreed to use all commercially reasonable efforts to cause all direct and indirect beneficial owners of this bond to have knowledge of the terms and provisions of the Mortgage and of this bond and to comply therewith, including particularly, but without limitation, any D-2 4815-0226-3078.v1 I provisions or restrictions in the Mortgage regarding the transfer or exchange of such beneficial interests and any legend set forth on this bond. The Mortgage may be modified or altered by affirmative vote of the holders of at least 60%o in principal amount of the bonds outstanding under the Mortgage, considered as one class, or, if the rights of one or more, but less than all, series of bonds then outstanding are to be affected, then such modification or alteration may be effected with the affirmative vote only of 60Yo in principal amount of the bonds outstanding of the series so to be affected, considered as one class, and, furthermore, for limited purposes, the Mortgage may be modified or altered without any consent or other action of holders of any series of bonds. No modification or alteration shall, however, permit an extension of the Maturity of the principal of, or interest on, this bond or a reduction in such principal or the rate of interest hereon or any other modification in the terms of payment of such principal or interest or the creation of any lien equal or prior to the lien of the Mortgage or deprive the holder of a lien on the mortgaged and pledged property without the consent of the holder hereof. Each initial and subsequent holder of bonds of this series, by virtue of its acquisition of an interest therein, shall be deemed, without further act, to have consented to the prospective amendments to the Original Mortgage set forth in the Fifty-eighth Supplemental Indenture. The principal hereof may be declared or may become due prior to the stated maturity date on the conditions, in the manner and at the time set forth in the Mortgage, upon the occurrence of a Completed Default as in the Mortgage provided. As provided in the Mortgage and subject to certain limitations therein set forth, this bond or any portion of the principal amount hereof will be deemed to have been paid if there has been irrevocably deposited with the Trustee moneys or direct obligations of or obligations guaranteed by the United States of America, the principal of and interest on which when due, and without regard to any reinvestment thereof, will provide moneys which, together with moneys so deposited, will be sufficient to pay when due the principal of and premium, if any, and interest on this bond when due. The Mortgage contains terms, provisions and conditions relating to the consolidation or merger of the Company with or into, and the conveyance or other transfer, or lease, of assets to, another corporation and to the assumption by such other corporation, in certain circumstances, of all of the obligations of the Company under the Mortgage and on the bonds secured thereby. In the manner prescribed in the Mortgage, this bond is transferable by the registered owner hereof in person, or by his duly authorized attorney, at the office or agency of the Company in the Borough of Manhattan, The City of New York, upon surrender and cancellation of this bond, together with a written instrument of transfer whenever required by the Company duly executed by the registered owner or by its duly authorized attorney, and, thereupon, a new fully registered bond of the same series for a like principal amount will be issued to the transferee in exchange herefor as provided in the Mortgage. The Company and the Trustee may deem and treat the person in whose name this bond is registered as the absolute owner hereof for the purpose of receiving payment and for all other purposes. D-3 4815-0226-3078.v1 I In the manner prescribed in the Mortgage, any bonds of this series, upon surrender thereof for cancellation at the office or agency of the Company in the Borough of Manhattan, The City of New York, are exchangeable for a like aggregate principal amount of bonds of the same series of other authorized denominations. Priorto the Par Call Date (as hereinafter defined), the bonds of this series shall be redeemable in whole at any time or in part from time to time, at the option of the Company, upon notice mailed as provided in Section 52 of the Mortgage, at a redemption price equal to the greater of (a) 100% of the principal amount of the bonds being redeemed, and (b) the sum of the present values of the remaining scheduled payments of principal of and interest (not including any portion of any scheduled payment of interest which accrued prior to the redemption date) on the bonds being redeemed discounted to the date of redemption on a semiannual basis (assuming a 360-day year consisting of twelve 30-day months) at a discount rate equal to the Treasury Yield (as hereinafter defined) plus 50 basis points, plus,in the case of either (a) or (b) above, whichever is applicable, accrued interest on such bonds to the date of redemption. On or after the Par Call Date, the bonds of this series shall be redeemable in whole at any time, or in part from time to time, at the option of the Company, upon notice mailed as aforesaid, at a redemption price equal to 100% of the principal amount of the bonds being redeemed plus accrued interest on such bonds to the date of redemption. "Par Call Date" means June 1 ,2045. "Treasury Yield" means, with respect to any redemption of the bonds of this series, the rate per annum equalto the semiannual equivalent yield to maturity of the Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price. The Treasury Yield shall be calculated as of the third business day preceding the earlier of (a) the date notice of redemption is mailed to holders of bonds of this series and (b) the date irrevocable arrangements with the Trustee for the mailing of such notice shall have been made, as the case may be, (the "Calculation Date"). "Comparable Treasury Issue" means the United States Treasury security selected by an Independent Investment Banker as having a maturity comparable to the remaining term of the bonds of this series that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of the bonds. "Comparable Treasury Price" means (A) the average of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) on the Calculation Date, as set forth in the H.15 Daily Update of the D-4 4815-0226-3078.v1 I Federal Reserve Bank of New York or (B) if such release (or any successor release) is not published or does not contain such prices on such business day, the Reference Treasury Dealer Quotation for the Calculation Date. "H.15(519)" means the weekly statistical release entitled "Statistical Release H.l5 (519)", or any successor publication, published by the Board of Governors of the Federal Reserve System. "H.15 Daily Update" means the daily update of H.l5(519) available through the worldwide website of the Board of Governors of the Federal Reserve System or any successor site or publication. "lndependent Investment Banker" means any independent investment banking institution of national standing appointed by the Company and reasonably acceptable to the Trustee. "Reference Treasury Dealer Quotation" means, with respect to the Reference Treasury Dealer, the average, as determined by the Trustee, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount and quoted in writing to the Trustee by such Reference Treasury Dealer at 5:00 p.m. on the Calculation Date). "Reference Treasury Dealer" means a primary U.S. Government securities dealer in New York City appointed by the Company and reasonably acceptable to the Trustee. Except as provided above, the bonds of this series are not redeemable prior to their stated maturity date. No recourse shall be had for the payment of the principal of or premium, if any, or interest on this bond against any incorporator or any past, present or future subscriber to the capital stock, stockholder, officer or director of the Company or of any predecessor or successor corporation, as such, either directly or through the Company or any predecessor or successor corporation, under any rule of law, statute or constitution or by the enforcement of any assessment or otherwise, all such liability of incorporators, subscribers, stockholders, officers and directors being released by the holder or owner hereof by the acceptance of this bond and being likewise waived and released by the terms of the Mortgage. This bond shall not become obligatory until Citibank, N.A., the Trustee under the Mortgage, or its successor thereunder, shall have signed the form of certificate endorsed hereon. D-5 4815-0226-3078.v1 I ASSIGNMENT FORM FOR VALUE RECEIVED the undersigned hereby sells, assigns and transfers unto [please insert social security or other identi$ing number of assignee] [please print or typewrite name and address of assignee] the within bond of AVISTA CORPORATION and does hereby irrevocably constitute and appoint n Attorney, to transfer said bond on the books of the within-mentioned Company, with full power of substitution in the premises. Dated: Isignature of assignor] Notice: The signature to this assignment must correspond with the name as written upon the face of the bond in every particular without alternation or enlargement or any change whatsoever. D-6 4815-0226-3078.v1 I EXHTBTT E(l) PROSPECTIVE AMENDMENT TO ORIGINAL MORTGAGE The text of the generic description of property in the primary granting clause contained in the Original Mortgage, as proposed to be amended, is set forth below: All of the property, real, personal and mixed, of every character and wheresoever situated (except any hereinafter expressly excepted) which the Company now owns or, subject to the provisions of Section 87 hereof, may hereafter acquire prior to the satisfaction and discharge of this Indenture, as fully and completely as if herein specifically described, and including (without in anywise limiting or impairing by the enumeration of the same the scope and intent of the foregoing or of any general description contained in this Indenture) all lands, real estate, easements, servitudes, rights of way and leasehold and other interests in realestate; all rights to the use or appropriation of water, flowage rights, water storage rights, flooding rights, and other rights in respect of or relating to water; all plants for the generation of electricity, power houses, dams, dam sites, reservoirs, flumes, raceways, diversion works, head works, waterways, water works, water systems, gas plants, steam heat plants, hot water plants, ice or refrigeration plants, stations, substations, offices, buildings and other works and structures and the equipment thereof and all improvements, extensions and additions thereto; all generators, machinery, engines, turbines, boilers, dynamos, transformers, motors, electric machines, switchboards, regulators, meters, electrical and mechanical appliances, conduits, cables, pipes and mains; all lines and systems for the transmission and distribution of electric current, gas, steam heat or water for any purpose; all towers, mains, pipes, poles, pole lines, conduits, cables, wires, switch racks, insulators, compressors, pumps, fittings, valves and connections; all motor vehicles and automobiles; all tools, implements, apparatus, furniture, stores, supplies and equipment; all franchises (except the Company's franchise to be a corporation), licenses, permits, rights, powers and privileges; and (except as hereinafter expressly excepted) all the right, title and interest of the Company in and to all other property of any kind or nature. E-(l)-1 4815-0226-3078.v1 I EXHTBTT E(2) PROSPECTIYE AMENDMENT TO ORIGINAL MORTGAGE The text of the proviso following the primary granting clause Original Mortgage, as proposed to be amended, is set forth below: Provided that the following are not and are not intended to be now or hereafter granted, bargained, sold, released, conveyed, assigned, transferred, mortgaged, pledged, set over or confirmed hereunder and hereby expressly excepted from the lien and operation of this Indenture viz.: (l) cash, shares of stock and obligations (including bonds, notes and other securities) not hereafter specifically pledged, paid, deposited or delivered hereunder or hereinafter covenanted so to be; (2) merchandise, equipment, materials or supplies held for the purpose of sale in the usual course of business or for consumption in the operation of any properties of the Company; (3) bills, notes and accounts receivable, and all contracts, leases and operating agreements not specifically pledged hereunder or hereinafter covenanted so to be; (4) electric energy and other materials or products generated, manufactured, produced or purchased by the Company for sale, distribution or use in the ordinary course of its business; (5) all automobiles, buses, trucks, truck cranes, tractors, trailers and similar vehicles and movable equipment; all rolling stock, rail cars and other railroad equipment; all vessels, boats, barges, and other marine equipment; all airplanes, helicopters, drones, aircraft engines and other flight equipment; all parts, accessories and supplies used in connection with any of the foregoing; and all personal property of such character that the perfection of a security interest therein or other lien thereon is not governed by the Uniform Commercial Code (or similar law) as in effect in the jurisdiction in which such property is located; and (6) any property released pursuant to any provisions ofthis Indenture and not disposed of by the Company and improvements, extensions and additions thereto and renewals and replacements thereof; provided, however, that the property and rights expressly excepted from the lien and operation of this Indenture in the above subdivisions (2) and (3) shall (to the extent permitted by law) cease to be so excepted in the event that the Trustee or a receiver or trustee shall enter upon and take possession of the Mortgaged and Pledged Property in the manner provided in Article XII hereof by reason of the occurrence of a Completed Default as defined in said Article XII. the E-(2)-l 4815-0226-3078.v1 I EXHTBTT E(3) PROSPECTIYE AMENDMENT TO ORIGINAL MORTGAGE The text of the first paragraph of Section 4 of the Original Mortgage, as proposed to be amended, is set forth below: Section 4. The term "Property Additions" shall mean plants, lines, pipes, mains, cables, machinery, transmission lines, pipe lines, distribution systems, service systems and supply systems, property, real or personal, and improvements, extensions, additions, renewals or replacements acquired by the Company by purchase, consolidation, merger, donation or in any other way whatsoever, subsequent to May 31, 1939, or made or constructed subsequent to May 31, 1939, or in the process of construction or erection in so far as actually constructed or erected subsequent to May 31, 1939, and used or useful or to be used in or in connection with the business of generating, manufacturing, transporting, transmitting, distributing or supplying electricity or gas for light, heat, power, refrigeration or other purposes. The term "Property Additions" shall not, however, include (1) any shares of stock, bonds, evidences of indebtedness or other securities or contracts, leases, or operating agreements, bills, notes, accounts receivable, or choses in action, or (2) except as herein otherwise specifically provided, going value, good will, franchises or governmental permits or licenses granted to or acquired by the Company, as such, separate and distinct from the property operated thereunder or in connection therewith or incident thereto, or (3) any goods, wares, merchandise, equipment, materials or supplies held for the purpose of sale or resale in the usual course of business or for the purpose of consumption in the operation of any of the properties of the Company, or (4) any lands, leases, gas rights, wells, gathering, tap or other pipe lines, or equipment, used principally and primarily for the production or gathering of natural gas, or (5) any property, the cost of acquiring, making or constructing which is chargeable under accepted principles of accounting to operating expenses, or (6) any property (whether or not listed above) that is excepted from, or otherwise not subject to, the lien of this Indenture. E-(3)-r 4815-0226-3078.v1 I